Not an accepted name (status: unknown).
The accepted name is
Helleborus dumetorum Waldst. & Kit. ex Willd., 1809.
Helleborus dumetorum subsp. illyricus
Starm., 2007
2% complete
No common name
Carinthia II 197/117: 413 (2007)
There is no corrections for Helleborus dumetorum subsp. illyricus yet.